25371828851 has 2 divisors, whose sum is σ = 25371828852. Its totient is φ = 25371828850.

The previous prime is 25371828751. The next prime is 25371828863. The reversal of 25371828851 is 15882817352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25371828851 - 2²² = 25367634547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25371828851.

It is not a weakly prime, because it can be changed into another prime (25371828451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12685914425 + 12685914426.

It is an arithmetic number, because the mean of its divisors is an integer number (12685914426).

Almost surely, 2^25371828851 is an apocalyptic number.

25371828851 is a deficient number, since it is larger than the sum of its proper divisors (1).

25371828851 is an equidigital number, since it uses as much as digits as its factorization.

25371828851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1075200, while the sum is 50.

The spelling of 25371828851 in words is "twenty-five billion, three hundred seventy-one million, eight hundred twenty-eight thousand, eight hundred fifty-one".